From: kernel test robot <lkp@intel.com>
To: Mathura_Kumar <academic1mathura@gmail.com>, brauner@kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
academic1mathura@gmail.com, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
Subject: Re: [PATCH] [PATCH V5] mqueue: introduce new do_mq_timedreceive2() [ mq_peek syscall] for non-destructive receive and inspection,fix minor issue,prepared doc.
Date: Sat, 7 Mar 2026 20:43:25 +0800 [thread overview]
Message-ID: <202603072056.0e7wfE3v-lkp@intel.com> (raw)
In-Reply-To: <20260306075009.83723-1-academic1mathura@gmail.com>
Hi Mathura_Kumar,
kernel test robot noticed the following build errors:
[auto build test ERROR on shuah-kselftest/next]
[also build test ERROR on shuah-kselftest/fixes brauner-vfs/vfs.all linus/master v7.0-rc2 next-20260306]
[cannot apply to tip/x86/asm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Mathura_Kumar/mqueue-introduce-new-do_mq_timedreceive2-mq_peek-syscall-for-non-destructive-receive-and-inspection-fix-minor-issue-prep/20260306-155240
base: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
patch link: https://lore.kernel.org/r/20260306075009.83723-1-academic1mathura%40gmail.com
patch subject: [PATCH] [PATCH V5] mqueue: introduce new do_mq_timedreceive2() [ mq_peek syscall] for non-destructive receive and inspection,fix minor issue,prepared doc.
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260307/202603072056.0e7wfE3v-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260307/202603072056.0e7wfE3v-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603072056.0e7wfE3v-lkp@intel.com/
All errors (new ones prefixed by >>):
ipc/mqueue.c:1748:10: warning: declaration of 'struct compat_mq_timedreceive2_args' will not be visible outside of this function [-Wvisibility]
1748 | struct compat_mq_timedreceive2_args __user *, uargs,
| ^
ipc/mqueue.c:1748:10: warning: declaration of 'struct compat_mq_timedreceive2_args' will not be visible outside of this function [-Wvisibility]
ipc/mqueue.c:1748:10: warning: declaration of 'struct compat_mq_timedreceive2_args' will not be visible outside of this function [-Wvisibility]
>> ipc/mqueue.c:1747:1: error: incompatible pointer types passing 'struct compat_mq_timedreceive2_args *' to parameter of type 'struct compat_mq_timedreceive2_args *' [-Werror,-Wincompatible-pointer-types]
1747 | SYSCALL_DEFINE5(mq_timedreceive2_time32, mqd_t, mqdes,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1748 | struct compat_mq_timedreceive2_args __user *, uargs,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1749 | unsigned int, flags, const unsigned long, index,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1750 | const struct old_timespec32 __user *, u_abs_timeout)
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:230:36: note: expanded from macro 'SYSCALL_DEFINE5'
230 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/syscalls.h:237:2: note: expanded from macro 'SYSCALL_DEFINEx'
237 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/include/asm/syscall_wrapper.h:230:37: note: expanded from macro '__SYSCALL_DEFINEx'
230 | long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__));\
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/syscalls.h:123:42: note: expanded from macro '__MAP5'
123 | #define __MAP5(m,t,a,...) m(t,a), __MAP4(m,__VA_ARGS__)
| ~~~~~~~^~~~~~~~~~~~~~
include/linux/syscalls.h:122:27: note: expanded from macro '__MAP4'
122 | #define __MAP4(m,t,a,...) m(t,a), __MAP3(m,__VA_ARGS__)
| ^~~~~~
include/linux/syscalls.h:133:25: note: expanded from macro '__SC_CAST'
133 | #define __SC_CAST(t, a) (__force t) a
| ^~~~~~~~~~~~~
ipc/mqueue.c:1748:49: note: passing argument to parameter 'uargs' here
1748 | struct compat_mq_timedreceive2_args __user *, uargs,
| ^
ipc/mqueue.c:1748:10: warning: declaration of 'struct compat_mq_timedreceive2_args' will not be visible outside of this function [-Wvisibility]
1748 | struct compat_mq_timedreceive2_args __user *, uargs,
| ^
>> ipc/mqueue.c:1747:1: error: conflicting types for '__do_sys_mq_timedreceive2_time32'
1747 | SYSCALL_DEFINE5(mq_timedreceive2_time32, mqd_t, mqdes,
| ^
include/linux/syscalls.h:230:36: note: expanded from macro 'SYSCALL_DEFINE5'
230 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:237:2: note: expanded from macro 'SYSCALL_DEFINEx'
237 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
arch/x86/include/asm/syscall_wrapper.h:235:21: note: expanded from macro '__SYSCALL_DEFINEx'
235 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
| ^
<scratch space>:71:1: note: expanded from here
71 | __do_sys_mq_timedreceive2_time32
| ^
ipc/mqueue.c:1747:1: note: previous declaration is here
include/linux/syscalls.h:230:36: note: expanded from macro 'SYSCALL_DEFINE5'
230 | #define SYSCALL_DEFINE5(name, ...) SYSCALL_DEFINEx(5, _##name, __VA_ARGS__)
| ^
include/linux/syscalls.h:237:2: note: expanded from macro 'SYSCALL_DEFINEx'
237 | __SYSCALL_DEFINEx(x, sname, __VA_ARGS__)
| ^
arch/x86/include/asm/syscall_wrapper.h:225:21: note: expanded from macro '__SYSCALL_DEFINEx'
225 | static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__));\
| ^
<scratch space>:44:1: note: expanded from here
44 | __do_sys_mq_timedreceive2_time32
| ^
>> ipc/mqueue.c:1756:6: error: call to undeclared function 'get_compat_mq_args'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1756 | if (get_compat_mq_args(pargs, uargs))
| ^
ipc/mqueue.c:1756:6: note: did you mean 'get_compat_msghdr'?
include/net/compat.h:51:5: note: 'get_compat_msghdr' declared here
51 | int get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
| ^
4 warnings and 3 errors generated.
vim +1747 ipc/mqueue.c
1746
> 1747 SYSCALL_DEFINE5(mq_timedreceive2_time32, mqd_t, mqdes,
> 1748 struct compat_mq_timedreceive2_args __user *, uargs,
1749 unsigned int, flags, const unsigned long, index,
1750 const struct old_timespec32 __user *, u_abs_timeout)
1751 {
1752 struct mq_timedreceive2_args args, *pargs = NULL;
1753
1754 pargs = &args;
1755
> 1756 if (get_compat_mq_args(pargs, uargs))
1757 return -EFAULT;
1758
1759 struct timespec64 ts, *p = NULL;
1760
1761 if (u_abs_timeout) {
1762 int res = compat_prepare_timeout(u_abs_timeout, &ts);
1763
1764 if (res)
1765 return res;
1766 p = &ts;
1767 }
1768 return do_mq_timedreceive2(mqdes, pargs, flags, index, p);
1769 }
1770 #endif
1771
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2026-03-07 12:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-06 7:50 [PATCH] [PATCH V5] mqueue: introduce new do_mq_timedreceive2() [ mq_peek syscall] for non-destructive receive and inspection,fix minor issue,prepared doc Mathura_Kumar
2026-03-06 9:38 ` Geert Uytterhoeven
2026-03-06 10:30 ` Arnd Bergmann
2026-03-06 21:56 ` Randy Dunlap
2026-03-06 22:11 ` kernel test robot
2026-03-07 12:43 ` kernel test robot [this message]
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